Federal agencies are warning Gmail and Outlook email users of a costly ransomware scheme that has already affected more than 300 victims. The FBI and the U.S. Cybersecurity and Infrastructure Security Agency issued the advisory, detailing a warning about the Medusa hacking organization, which has been active since 2021.

The Federal Bureau of Investigation (FBI) has alerted Gmail, Outlook and VPN users over an impending Medusa virus attacks and its threat on infrastructure.

The FBI has warned people who use Google’s Gmail about a dangerous ransomware scheme. More than 1.8 billion people could be at risk from hackers who hold your private data hostage if you make this one easy mistake.